code: def device(self):
      return self._device
  
imports: from distutils.version import LooseVersion
  from nvidia.dali import backend
  from nvidia.dali.pipeline import Pipeline
  from nvidia.dali.data_node import DataNode
  from nvidia.dali import ops
  from nvidia.dali import types
  from numba import types
  from numba import njit, cfunc, carray, cuda
  import numpy
  import numba
label_desc: Use image node_id 3 for calling the NumbaFunction obj's underlying member method code with example usage: obj.device() and returns: self